MultiplyAlphaRed.java 文件源码

public static ColorModel fixColorModel(CachableRed src) {
    ColorModel  cm = src.getColorModel();

    if (cm.hasAlpha())
        return cm;

    int b = src.getSampleModel().getNumBands()+1;
    int [] bits = new int[b];
    for (int i=0; i < b; i++)
        bits[i] = 8;

    ColorSpace cs = cm.getColorSpace();

    return new ComponentColorModel(cs, bits, true, false,
                                   Transparency.TRANSLUCENT,
                                   DataBuffer.TYPE_BYTE);
}